19) Sigma comparator is a type of _____ comparator
Answer is:
Mechanical
Related ISRO Technician-B Turner Question Paper - 2016 (Set - 1) with Answer Key
Answer is:
All of the above
Explanation:
Methods used for cutting multi start thread are
* Dividing the first driver of change gear train
* Moving top slide of compound rest to new position
* Using slotted face plate